Welcome to Automotive Diagnostic Specialties!!!

We are your one-stop shop for all of your auto repair needs - from air conditioning and brake service to high-performance, dyno-tuning of race engines. The pros at ADS can adjust your carburetor or fuel injection to maximize your vehicle's performance. We provide custom computer chips, exhaust systems and everything in between. ADS can repair or upgrade your vehicle's steering, suspension, transmission or drivetrain. Worried about passing emissions? ADS technicians can make sure your vehicle passes emissions with flying colors. We can service diesels and large motorhomes as well.

Thinking about purchasing a used vehicle? Let us thoroughly examine the vehicle to make sure that you aren't getting someone else's problem.

Our service technicians are trained with the latest technologies, so we can diagnose and repair your vehicle quickly. With a brand-new, state-of-the-art facility in Chandler, AZ, our technicians are more efficient than ever, which keeps costs down and puts your car back on the road sooner. Our policy of making sure that the work is done right the first time and the customer is always completely satisfied has earned us the loyalty and trust of many people nationwide. Feel free to stop by and see what makes ADS a step above the rest.

Yours truly,

Greg LaFontsee, Owner
Automotive Diagnostic Specialties

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